Electrocardiography device



FIG. 1 is a front, right, bottom perspective view of an electrocardiography device, showing our new design;

FIG. 2 is a rear, right, top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof in an environment in which the electrocardiography device is disposed on a charger.

In FIG. 9, the broken lines depict environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for an electrocardiography device, as shown and described. 